Marcus Adeyemi
Lead Architect / Founder
Expertise: Fintech & AWS
Specialized verticals
Ten lanes we ship in production—from PropTech with 3D tours & AVMs to Fintech with Paystack/Paga/Stripe-grade rails and social stacks built for viral concurrency and AI-driven matching. Each card carries a technical standard badge so procurement and engineering stay aligned.
Fintech
Paystack · Paga · Stripe orchestration & multi-currency ledgers.
Start projectMLS-ready pipelinesPropTech
3D tours, MLS engines & automated valuation models at scale.
Start projectSOC2 narrativeSaaS
Multi-tenant enterprise platforms.
Start projectAudit-ready SolidityCrypto
DEX, wallets & smart contracts.
Start projectPHI boundariesHealthTech
Secure telemedicine & HIPAA.
Start projectReal-time geospatialLogistics
Fleet management & tracking.
Start projectCheckout hardeningE-commerce
High-end Shopify & custom marketplaces.
Start project10M+ events/day readyDating & Social
High-concurrency feeds, WebRTC, & AI matchmaking in production.
Start projectGoverned RAGAI Automation
Custom LLM agents & workflows.
Start projectWCAG + SSOEdTech
Learning management systems.
Start projectTrusted by teams shipping at global scale
Why Aristos
At Aristos Dev, we architect excellence—not page templates. Our teams ship PropTech with Matterport-class 3D tours and automated valuation models; Fintech with Paystack, Paga, and Stripe-grade rails plus multi-currency secure ledgers; and high-concurrency social products with AI matchmaking you can measure in production.
Rigorous vetting across algorithms, system design, and shipping discipline—focused on Nigerian engineers operating at global bar.
We mirror how elite product orgs build: typed APIs, automated pipelines, and observability from day zero.
Every engagement is measured against outcomes: latency, reliability, security posture, and time-to-value.
People behind the standard
Established specialists—not anonymous contractors. The same leads who scope your architecture ship the critical path.
Marcus Adeyemi
Lead Architect / Founder
Expertise: Fintech & AWS
Dr. Lin Chen
Senior AI Engineer
Expertise: LLM & Vector DBs
André Volkov
Web3 & Blockchain Lead
Expertise: Smart Contracts
Priya Nair
Senior PropTech Specialist
Expertise: Listing Engines
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Lines of code shipped
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Successful deployments
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Hours of AI innovation
Technical excellence
Bento layout, spring motion, and Lucide strokes at 1.5px—premium engineering signals without cartoon noise.
Strict TypeScript, shared DTOs, and runtime validation at every boundary.
Preview environments, gated releases, and rollback-ready pipelines.
Agents, evals, and human-in-the-loop review for production-grade AI.
Formal patterns for keys, upgrades, and on-chain state minimization.
100
Performance
100
Accessibility
100
SEO
Representative elite target—we optimize every ship channel to meet it.
Live infrastructure
Simulated edge metrics—mirrors how we monitor production.
Stack explorer
Performance, isolation, and operational security—how we earn trust on each layer of the stack.
Technical standard
Next.js
App Router with streaming RSC, edge caching, and route-level fault isolation—sub-second TTFB globally with predictable blast radius on deploy.
Aristos blueprint
Organized like a serious codebase—no spaghetti fairy tales.
export interface CreateInvoiceBody {
tenantId: string;
currency: "USD" | "EUR" | "NGN";
amountMinor: number;
metadata?: Record<string, string>;
}
export type CreateInvoiceResponse =
| { ok: true; id: string; hostedUrl: string }
| { ok: false; code: "RATE_LIMIT" | "FORBIDDEN"; retryAfterMs?: number };
Beyond categories
Have a complex, custom idea that doesn't fit a standard box? We specialize in technical first-principles. Whether it is a unique SaaS, a niche marketplace, or a complex API bridge, we build the standard.
Challenge our engineersSecure brief, estimator, and direct access to our architects—no generic contact forms.
Start your elite projectSocial proof
Founders, CTOs, and product leaders on custom builds that ship fast—and hold up when the business doubles.
We had a gnarly multi-tenant payments stack and zero appetite for another ‘rewrite in six months.’ Aristos owned the architecture, hit the dates, and our uptime story finally matched our pitch deck.
James Okonkwo
Founder · Fintech startup
Global logistics means edge cases everywhere. They shipped custom workflows, not templates—integrations our legacy vendors said were impossible—and we measured first production release in weeks, not quarters.
Helena Strauss
CTO · Global logistics firm
We had a gnarly multi-tenant payments stack and zero appetite for another ‘rewrite in six months.’ Aristos owned the architecture, hit the dates, and our uptime story finally matched our pitch deck.
James Okonkwo
Founder · Fintech startup
Global logistics means edge cases everywhere. They shipped custom workflows, not templates—integrations our legacy vendors said were impossible—and we measured first production release in weeks, not quarters.
Helena Strauss
CTO · Global logistics firm
We had a gnarly multi-tenant payments stack and zero appetite for another ‘rewrite in six months.’ Aristos owned the architecture, hit the dates, and our uptime story finally matched our pitch deck.
James Okonkwo
Founder · Fintech startup
Global logistics means edge cases everywhere. They shipped custom workflows, not templates—integrations our legacy vendors said were impossible—and we measured first production release in weeks, not quarters.
Helena Strauss
CTO · Global logistics firm
Reliability is non-negotiable for us. Aristos ran our platform like infrastructure: observability, on-call runbooks, and security reviews baked in. When incidents happened, mean time to clarity dropped dramatically.
David Park
VP Engineering · Enterprise health
They thrive on complexity—our data model looked like a plate of spaghetti when they arrived. They untangled it, documented it, and accelerated delivery without pausing the roadmap. That’s a rare combination.
Amira El-Sayed
Chief Product Officer · B2B marketplace
Reliability is non-negotiable for us. Aristos ran our platform like infrastructure: observability, on-call runbooks, and security reviews baked in. When incidents happened, mean time to clarity dropped dramatically.
David Park
VP Engineering · Enterprise health
They thrive on complexity—our data model looked like a plate of spaghetti when they arrived. They untangled it, documented it, and accelerated delivery without pausing the roadmap. That’s a rare combination.
Amira El-Sayed
Chief Product Officer · B2B marketplace
Reliability is non-negotiable for us. Aristos ran our platform like infrastructure: observability, on-call runbooks, and security reviews baked in. When incidents happened, mean time to clarity dropped dramatically.
David Park
VP Engineering · Enterprise health
They thrive on complexity—our data model looked like a plate of spaghetti when they arrived. They untangled it, documented it, and accelerated delivery without pausing the roadmap. That’s a rare combination.
Amira El-Sayed
Chief Product Officer · B2B marketplace
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